From: bugzilla-daemon@bugzilla.kernel.org
To: cpufreq@vger.kernel.org
Subject: [Bug 19702] i5-450M CPU gets stuck in low/lowest state
Date: Fri, 29 Oct 2010 12:14:47 GMT [thread overview]
Message-ID: <201010291214.o9TCEl9b019808@demeter1.kernel.org> (raw)
In-Reply-To: <bug-19702-12968@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=19702
--- Comment #30 from Thomas Renninger <trenn@suse.de> 2010-10-29 12:14:38 ---
Thanks. I still think not considering core dependencies in HW_ALL case is
wrong, but this needs further/separate discussing/evaluation.
Peter, as you said with exactly same HW and kernel version/.config:
This one is broken:
Intel Core2 Duo T7300 2.0 GHz processor
and this one is not:
Intel Core2 Quad Q9550
Could you show us:
cat /sys/devices/system/clocksource/clocksource0/available_clocksource
and
cat /sys/devices/system/clocksource/clocksource0/current_clocksource
does it make a difference switching, e.g. to hpet?
echo xy >/sys/devices/system/clocksource/clocksource0/current_clocksource
Ok, I checked Heinz's and Peter's dmesg:
Heinz explicitly enables hpet via boot param (what is this for?)
clocksource=hpet acpi_skip_timer_override
And Peter has:
Marking TSC unstable due to TSC halts in idle
Switching to clocksource hpet
It's always only CPU0 not switching up, right?
Looks like something with hpet is wrong.
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next prev parent reply other threads:[~2010-10-29 12:14 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-19702-12968@https.bugzilla.kernel.org/>
2010-10-04 6:42 ` [Bug 19702] i5-450M CPU gets stuck in low/lowest state bugzilla-daemon
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